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So this weekend was a big ol party as normal. And as expected I ended up in the field hooked to a few trucks. Half ton GMC sierra. Well after hookin in the fields the driveway looked like a good place for a nice smokey BFG burnout..... well.... If anyone knows the GM rear ends..... yup...

This is the unbalanced drum problem. Anyone understand it? This is the one problem I couldnt even get a grasp of how they arrived at the answer! They show charts and then whammo the answer. Not enough explanation for me anyway. Anyone?? Where do they get the damping ratio of 0.5 even?